A patient is experiencing an acute stress reaction, and you observe an increase in heart rate, rapid breathing, and muscle tension. Which physiological process is most likely occurring?
Activation of the parasympathetic nervous system
Decreased blood flow to muscles
Release of insulin
Activation of the sympathetic nervous system
The Correct Answer is D
A. Activation of the parasympathetic nervous system: The parasympathetic system promotes “rest and digest” responses, including slowed heart rate and relaxation, which are opposite to the observed acute stress signs.
B. Decreased blood flow to muscles: During acute stress, blood flow to muscles actually increases to prepare for rapid physical response. Decreased perfusion would impair the body’s ability to respond to stress.
C. Release of insulin: Insulin primarily regulates blood glucose levels. During acute stress, insulin secretion is often suppressed to allow elevated glucose for energy, making this unrelated to the immediate stress response.
D. Activation of the sympathetic nervous system: The sympathetic nervous system triggers the “fight or flight” response, leading to tachycardia, rapid respirations, increased muscle tone, and mobilization of energy stores. These physiological changes align with the signs observed in acute stress reactions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Full-thickness skin loss exposing adipose tissue but not bone or muscle: This finding is characteristic of a Stage III pressure injury, not a deep tissue injury. Stage III involves actual tissue loss rather than injury limited to underlying tissues beneath intact skin.
B. Nonblanchable erythema of intact skin: This finding indicates a Stage I pressure injury, which involves superficial skin changes without tissue necrosis. It does not reflect deep tissue involvement.
C. Partial-thickness skin loss with exposed dermis: This is consistent with a Stage II pressure injury, involving partial-thickness loss of epidermis or dermis. It does not indicate damage to underlying soft tissue beneath intact skin.
D. Localized, nonblanchable, deep red, maroon, or purple discoloration of intact skin: Deep tissue injury is identified by damage to underlying soft tissue beneath intact skin, often presenting as deep red, maroon, or purple areas. This finding reflects the hallmark sign of deep tissue injury.
Correct Answer is B
Explanation
A. Patient has chest pain. Needs to see a doctor.: This entry is vague and lacks essential subjective and objective data. It does not include the client’s own words, pain characteristics, or vital signs. Narrative charting requires detailed, specific, and measurable information.
B. Patient states, “I suddenly felt a sharp pain in my chest while gardening.” Rates pain as 6/10. No radiating pain reported. Blood pressure: 145/95 mm Hg. Heart rate: 100 beats/min, regular.: This entry includes subjective data in the client’s own words, objective assessment findings, and relevant vital signs. It clearly documents onset, quality, severity, and associated findings. This reflects accurate, complete, and legally sound narrative charting.
C. The patient was gardening when they got chest pain. Blood pressure high: This statement lacks specific pain description, numeric values, and patient-reported details. Terms such as “high” are non-measurable and imprecise. Incomplete data limits clinical usefulness.
D. The patient felt pain in the chest while in the garden. No further information provided.: This entry is incomplete and omits critical assessment details such as pain severity, vital signs, and associated symptoms. Narrative charting must provide sufficient information to guide clinical decision-making.
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